diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-06-16 11:00:10 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-06-19 14:11:35 -0700 |
| commit | 92ff7285f1df5590d53ab7031f0b86552b59121d (patch) | |
| tree | 04b79c0aebd610d50efd687961c1b004bb65cd73 /fs/xfs/xfs_reflink.c | |
| parent | 378f681c4b588c0432236e5517bf47b7e54ff2dc (diff) | |
xfs: reflink find shared should take a transaction
Adapt _reflink_find_shared to take an optional transaction pointer. The
inode scrubber code will need to decide (within transaction context) if
a file has shared blocks. To avoid buffer deadlocks, we must pass the
tp through to this function's utility calls.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index ffe6fe7a7eb5..e25c9953a7c9 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -155,6 +155,7 @@ int xfs_reflink_find_shared( struct xfs_mount *mp, + struct xfs_trans *tp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, @@ -166,18 +167,18 @@ xfs_reflink_find_shared( struct xfs_btree_cur *cur; int error; - error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp); if (error) return error; - cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, NULL); error = xfs_refcount_find_shared(cur, agbno, aglen, fbno, flen, find_end_of_shared); xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); - xfs_buf_relse(agbp); + xfs_trans_brelse(tp, agbp); return error; } @@ -217,7 +218,7 @@ xfs_reflink_trim_around_shared( agbno = XFS_FSB_TO_AGBNO(ip->i_mount, irec->br_startblock); aglen = irec->br_blockcount; - error = xfs_reflink_find_shared(ip->i_mount, agno, agbno, + error = xfs_reflink_find_shared(ip->i_mount, NULL, agno, agbno, aglen, &fbno, &flen, true); if (error) return error; @@ -1373,8 +1374,8 @@ xfs_reflink_dirty_extents( agbno = XFS_FSB_TO_AGBNO(mp, map[1].br_startblock); aglen = map[1].br_blockcount; - error = xfs_reflink_find_shared(mp, agno, agbno, aglen, - &rbno, &rlen, true); + error = xfs_reflink_find_shared(mp, NULL, agno, agbno, + aglen, &rbno, &rlen, true); if (error) goto out; if (rbno == NULLAGBLOCK) @@ -1445,7 +1446,7 @@ xfs_reflink_clear_inode_flag( agbno = XFS_FSB_TO_AGBNO(mp, map.br_startblock); aglen = map.br_blockcount; - error = xfs_reflink_find_shared(mp, agno, agbno, aglen, + error = xfs_reflink_find_shared(mp, *tpp, agno, agbno, aglen, &rbno, &rlen, false); if (error) return error; |